tests: look_hidpi clicks benzene atoms; editor_command sets ECCE_HOME

Water's hydrogens are not hit by a pick at their projected centre after
viewall (by the SoEvent path as well), so the test now clicks five benzene
atoms.  UserEditor's Preferences need ECCE_HOME.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PFPK14wBcLD1s4dYUowpP4

Author: andy

tests/look/hidpi.py

@@ -23,7 +23,7 @@
 SCENE = """style Ball And Stick
 viewall
 snap frame
-wxpick clicks 1 2 3
+wxpick clicks 1 2 3 4 7
 """
 
 
@@ -57,7 +57,7 @@ def run(binary, scale, display):
     env.pop("FL_FONT_PATH", None)
     env.pop("GDK_DPI_SCALE", None)
     env["ECCE_REALUSERHOME"] = tempfile.mkdtemp(prefix="hidpi-home")
-    r = subprocess.run([binary, out, scene, "water"], env=env,
+    r = subprocess.run([binary, out, scene, "benzene"], env=env,
                        capture_output=True, text=True, timeout=300)
     if r.returncode != 0:
         print("viewer-scenes (scale %d) failed:\n%s" % (scale, (r.stdout + r.stderr)[-1500:]))
@@ -76,7 +76,7 @@ def check(scale, out):
         if sel.split() != [atom]:
             print("FAIL scale %d: clicking atom %s selected [%s]" % (scale, atom, sel.strip()))
             ok = False
-    if len(got) != 3:
+    if len(got) != 5:
         print("FAIL scale %d: %d clicks recorded" % (scale, len(got)))
         ok = False
     w, h, px = readPpm(os.path.join(out, "frame.ppm"))

tests/transport/testEditorCommand.C

@@ -60,7 +60,7 @@ int main()
   setenv("PATH", (bin + ":/usr/bin:/bin").c_str(), 1);
   setenv("HOME", home.c_str(), 1);
   setenv("ECCE_REALUSERHOME", home.c_str(), 1);
-  unsetenv("ECCE_HOME");
+  setenv("ECCE_HOME", tmp.c_str(), 1);
   unsetenv("ECCE_TERMINAL");
   unsetenv("VISUAL");
   unsetenv("EDITOR");
@@ -71,7 +71,8 @@ int main()
   unsetenv("ECCE_EDITOR");
 #ifdef __APPLE__
   same("default editor", UserEditor().getPreferredEditor(), "open -t");
-  same("default terminal", UserEditor::getTerminal(), "ecce-macos-terminal");
+  same("default terminal", UserEditor::getTerminal(),
+       tmp + "/scripts/ecce-macos-terminal");
   same("default command", command(f, false), "open|-t|-W|-n|" + file);
 #else
   same("default editor", UserEditor().getPreferredEditor(), "vi");